3D Field of Cuboidal Magnet

The field components , , and of a permanent magnet with dimensions , , and strength 1.4 Tesla are analytically calculated and displayed as a vector field.


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  • [Snapshot]


Reference [1] computes the three components of the magnetic field, , , and , for a cuboidal permanent magnet. This Demonstration shows the level surfaces colored red, blue, green for , , , respectively, and starting at the mid-plane for each component.
The controls available are:
, , change the magnet dimensions
cut the graph at a value
level range
, , toggle to display , , and components
high double the graphics calculation grid
[1] G. Akoun and J.-P. Yonnet, "3D Analytical Calculation of the Forces Exerted between Two Cuboidal Magnets," IEEE Transactions on Magnetics, 20(5), 1984 pp. 1962–1964.
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